OF WASHINGTON, VOLUME XVI, 1914 71 



converging toward clypeus, behind the malar furrow with similar more 

 distinct rugulae extending in the same general direction; ocellar triangle 

 transversely rugulose; pronotum and mesonotum coarsely rugoso-punct;M< . 

 inner margin of parapsidal areas with a broad smooth band; scutellum with 

 the apex emarginate; legs green, bases and apices of tibin?, underside of 

 anterior tibiae and tarsi testaceous. 



Type-locality: San Bernardino County, California. 

 Type-sped n, en: Cat. No. 18298, U. S. N. M. 

 Described from two specimens collected in May. 



' Perilampus robertsoni n. sp. 



Female: Length about 2.5 mm. Black, face smooth, malar furrow dis- 

 tinctly longer than width of malar space at apex, facial carina indistinct 

 beyond the point where it turns downward along inner orbits; ocellar tri- 

 angle rugulose, in front of lateral ocelli indistinctly rugulose; pronotum 

 and mesonotum coarsely rugoso-punctate; inner margins of parapsidal 

 areas with a broad smooth area; scutellum at apex slightly emarginate; 

 legs black, the knees, bases and apices of tibiae and the tarsi testaceous. 



Male: Length about 2.5 mm. Similar to the female but the malar spare 

 vertically lineolate; the facial carina distinct almost to lower margin of 

 eyes; ocellar triangle and the areas in front of lateral ocelli more distinctly 

 sculptured than in female. 



Type-locality: Southern Illinois. 



Type-specimen: Cat. No. 18299, U. S. N. M. 



Described from one female and two males collected by Mr. 

 Chas. Robertson and bearing his Nos. 9729 (type female), 9841 

 (allotype), 9730 (paratype). 



This species is named in honor of the collector and is readily 

 distinguished from the other species by the elongate face. 



Perilampus carinifrons n. sp. 



Female: Length about 3.25 mm. Black, facial carina extending only 

 slightly below middle of anterior orbits; face smooth, malar space verti- 

 cally lineolate; antennae dark brown, scape black; ocellar triangle indis- 

 tinctly transversely rugulose, pro- and mesonotum coarsely rugoso-punctate, 

 inner edge of parapsidal areas with a broad smooth band; legs black, the 

 knees reddish, tarsi testaceous. 



Male: Length about 2 mm. Similar to the female but the funicle fer- 

 ruginous beneath; the tibia? obscurely reddish. 



Type-locality: Kerrville, Texas. 



Other localities: Corpus Christi, Beeville, and Dallas, Tex:i<. 



Described from four females and two males; types collected by 

 F. C. Pratt, June 19, 1907; two females from Corpus Chri-ti 

 collected October 16, 1908, by Messrs. J. D. Mitchell and F. C. 



